Answer:
c. focus on the effects of only one change at a time.
Explanation:
An economic model is a theoretical<em> (mathematical or not) </em>construct used to explain or make predictions about economic behavior, its goal is to <em>simplify complex processes</em> to understand economic issues. <em>It uses variables to study an specific change at a time.</em>
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Answer: The correct answer is: it will be impossible to conduct a double-blind experiment because the kid will know whether he or she used flashcards or the computer.
Explanation:
In a double-blind experiment both researchers and patients are blinded to some important information about the study. This with the purpose of obtaining the most accurate answers, since many times people's characteristics or ideas might affect the experiment's development and the results. In the given example, it will be impossible to conduct a double-blind experiment because children (patients) are aware of the method (flashcards or the computer) used to obtain the information.
<span>detecting, converting, and transmitting</span>
Answer:
The Acts increased colonial revenue by taxing the goods going to and from British colonies. The Navigation Acts (particularly their effect on trade in the colonies) were one of the direct economic causes of the American Revolution.
Explanation: